Method and system for checking the operability of a...

A - Human Necessities – 62 – B

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A62B 27/00 (2006.01)

Patent

CA 2257819

A system checks the operability of electrical-based components (10, 14, 17, 19) in a breathing equipment (16). such as a Self-Contained Breathing Apparatus (SCAB), for example. The system includes a microprocessor (7) which is communicatively coupled with the electrical-based components (10, 14, 17, 19). After a power-up of the breathing equipment, the microprocessor (7) receives a signal from the electrical-based components (10, 14, 17, 19) indicating the operational state of that particular component. If the signal is not received by the microprocessor (7), or the signal deviates from a predetermined threshold, then that electrical-based component (10, 14, 17, 19) has failed to function properly. In that case, a visual indication of the failure is provided to a user of the breathing equipment (16). In addition, the system provides a visual identification of whether the microprocessor (7) itself is malfunctioning. A method is also provided for checking the operability of electrical-based components (10, 14, 17, 19) in the breathing equipment (16).

Système de contrôle de l'aptitude au fonctionnement de composants électriques (10, 14, 17, 19) d'un équipement respiratoire (16) comme, par exemple, un équipement respiratoire autonome (SCBA). Le système fait appel à un microprocesseur (7) relié aux composants électriques (10, 14, 17, 19) avec lesquels il communique. Après alimentation de l'équipement respiratoire, le microprocesseur (7) reçoit un signal des composants électriques (10, 14, 17, 19) indiquant l'état de fonctionnement de chacun d'eux. Si le signal ne parvient pas au microprocesseur (7), ou si ce signal s'écarte d'un seuil prédéterminé, le composant électrique (10, 14, 17, 19) concerné ne fonctionne pas convenablement. Dans ce cas, une indication visuelle de défaillance de l'équipement respiratoire (16) est fournie à l'utilisateur. Le système prévoit en outre une indication visuelle du mauvais fonctionnement éventuel du microprocesseur (7). L'invention porte enfin sur le contrôle de l'aptitude au fonctionnement des composants électriques (10, 14, 17, 19) de l'équipement respiratoire (16).

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